The company's technology lets people create interactive infographics and videos based on data involving what they share online, creating a type of Internet biography. Premium customers could pay to have their biographies hosted from vanity domains.

Vizify will be shutting down the product as the team joins Yahoo. "As for what's next, we can't talk specifics just yet, but we're excited to bring a more visual approach to data at Yahoo," the company wrote.

Evidence of the startup's new allegiance is already on display on its Web site. When you visit the company's URL, Vizify's sky-blue logo and color scheme quickly turn Yahoo purple (at least on my Firefox for Mac browser). The buyout is Yahoo CEO Marissa Mayer's 37th acquisition since taking the reins at the company in 2012.

"We have found in Vizify a company that shares our passion for visualization technology and the user experience. The team of five has joined Yahoo's media product organization in San Francisco," a Yahoo spokesperson told CNET.

Snapping up companies that specialize in social-media data has been something of a trend for the tech giants of Silicon Valley. Apple in December acquired Topsy, a social-media analytics company.